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Method for preparing fatty acyl potassium glycine and composition containing surfactant

The technology of a surfactant and potassium cocoyl glycinate is applied in the field of preparation of potassium fatty acid acylglycinate and the composition containing the surfactant, which can solve the problems not involving the preparation method of the surfactant and improve the utilization rate of atoms and atom economy, viscosity adjustment, and high content of active substances

Inactive Publication Date: 2015-07-01
BEIJING TECHNOLOGY AND BUSINESS UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However the method described in ZL 200110162146.2 has the disadvantage that no cheap fatty acid methyl esters are used, so there is still the possibility of an economical improvement
In addition, the properties of the resulting surfactants still need to be further improved, and there is no preparation method for fatty acyl amino acid potassium surfactants

Method used

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  • Method for preparing fatty acyl potassium glycine and composition containing surfactant
  • Method for preparing fatty acyl potassium glycine and composition containing surfactant

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Add 0.1 mol coconut oleic acid methyl ester and 8.2g PEG2000 into a reaction flask equipped with stirring, thermometer, water separator and reflux condenser. After heating to 50℃, stir and melt, add 0.1 mol potassium glycinate, and heat to 150℃, constant temperature After 8 hours of reaction, the methanol produced was separated to obtain 1.8% potassium octanoyl glycinate, 2.4% potassium decanoyl glycinate, 36.1% potassium lauroyl glycinate, 14.2% potassium myristoyl glycinate, and potassium palmitoyl glycinate 7.9 %, potassium linoleyl glycinate content 1.7%, potassium oleoyl glycinate content 12.8%, potassium stearoyl glycinate content 1.8%, potassium glycinate content 0.2%, fatty acid potassium content 0.4%, PEG2000 content 20.4% potassium cocoyl glycinate Surfactant composition.

Embodiment 2

[0027] Add 0.1 mol palm kernel oleic acid methyl ester and 8.2 g PEG2000 into a reaction flask equipped with stirring, thermometer, water separator and reflux condenser. After heating to 50°C, stir and melt, add 0.1 mol potassium glycinate, and heat to 160°C. After reacting at temperature for 6 hours, the methanol produced was separated to obtain 0.1% potassium hexanoyl glycinate content, 1.8% potassium octanoyl glycinate content, 2.1% potassium decanoyl glycinate content, 35.2% potassium lauroyl glycinate content, and potassium myristoyl glycinate content 14.3%, potassium palmitoyl glycinate content 7.9%, potassium linoleoyl glycinate content 1.8%, potassium oleoyl glycinate content 13.8%, potassium stearoyl glycinate content 1.8%, potassium arachidoyl glycinate content 0.1%, potassium glycinate content 0.2% , The palm kernel oleoyl potassium glycinate surfactant composition with 0.5% fatty acid potassium content and 20.2% PEG2000 content.

Embodiment 3

[0029] Add 0.1 mol sunflower seed methyl ester and 8.2 g PEG2000 into a reaction flask equipped with stirring, thermometer, water separator, and reflux condenser. After heating to 50 ℃, stir and melt, add 0.1 mol potassium glycinate, and heat to 150 ℃, constant temperature After 8 hours of reaction, the methanol produced was separated to obtain 5.3% potassium palmitoyl glycinate, 48.4% potassium linoleo glycinate, 22.8% potassium oleoyl glycinate, 4.3% potassium stearoyl glycinate, and behenoyl glycinate. A sunflower seed oleoyl potassium glycinate surfactant composition with 0.5% potassium glycinate content, 0.3% potassium glycinate content, 0.5% fatty acid potassium content, and 17.9% PEG2000 content.

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Abstract

The invention discloses a method for preparing fatty acyl potassium glycine and a composition containing the surfactant, and belongs to the technical field of fine chemical engineering. According to the technique for synthesizing a fatty acyl potassium glycine type surfactant, fatty acid methyl ester of a natural fat resource is taken as a raw material for synthesizing the fatty acyl potassium glycine type surfactant, that is, fatty acid methyl ester and potassium glycine react in the presence of a phase shifting catalyst PEG2000 to prepare fatty acyl potassium glycine and the composition containing the surfactant. The method is high in raw material utilization rate, high in yield, high in active matter content, high in surface activity, simple in synthesis route, and free of environment pollution and is a green synthesis technique, and products can be directly used without being separated or purified. The invention further discloses a surfactant composition containing the fatty acyl potassium glycine.

Description

Technical field [0001] The present invention relates to a method for preparing potassium fatty acyl glycinate and a composition containing such a surfactant. Specifically, it is synthesized by reacting fatty acid methyl ester and potassium glycinate in the presence of a phase transfer catalyst polyethylene glycol 2000 (PEG2000) Fatty acyl glycinate potassium surfactants belong to the technical field of fine chemicals. Background technique [0002] Surfactant is an important functional fine chemical. Because of its special function, it is widely used in various industrial sectors and fields. Fatty acyl amino acid surfactants are a kind of mild protein-like anionic surfactants prepared by structural modification of ordinary soaps. In addition to emulsifying, washing, dispersing, foaming, penetrating, and enhancing surfactants, In addition to the basic properties such as solvent, compared with ordinary soap surfactants, due to the introduction of amide groups and amino acid parts, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01F17/28C07C233/47C07C231/02C09K23/28
Inventor 徐宝财张桂菊周雅文韩富赵莉刘红芹谭婷婷柴晨星
Owner BEIJING TECHNOLOGY AND BUSINESS UNIVERSITY
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